D3.jsやflowchart.jsなど、SVGで出力された画像を保存したくなるときが多々あります。 そんなときに使うjavascript。Chromeのデバッガーツールのconsoleから入力するだけでOK。 出力処理 var svg = document.querySelector("svg"); var svgData = new XMLSerializer().serializeToString(svg); var canvas = document.createElement("canvas"); canvas.width = svg.width.baseVal.value; canvas.height = svg.height.baseVal.value; var ctx = canvas.getContext("2d"); var image = new Image; ima
![SVGを画像に変換してダウンロードする方法 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/88cf8dca03e60b6258bdc81ab66114fd4dab40b0/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9U1ZHJUUzJTgyJTkyJUU3JTk0JUJCJUU1JTgzJThGJUUzJTgxJUFCJUU1JUE0JTg5JUU2JThGJTlCJUUzJTgxJTk3JUUzJTgxJUE2JUUzJTgzJTgwJUUzJTgyJUE2JUUzJTgzJUIzJUUzJTgzJUFEJUUzJTgzJUJDJUUzJTgzJTg5JUUzJTgxJTk5JUUzJTgyJThCJUU2JTk2JUI5JUU2JUIzJTk1JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmcz05N2RmZGQ0MWIxNTI1MzkzNjRkZGRmMTAxMmFiYTY1MA%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBza3J5b29vbyZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NDM4NThjMjA1NmIzNGIxNzRmNWU2NGE1ZmM1NmE3YTQ%26blend-x%3D142%26blend-y%3D436%26blend-mode%3Dnormal%26txt64%3DaW4g44OH44K444K_44Or44O744Ki44OJ44OQ44K_44Kk44K444Oz44Kw44O744Kz44Oz44K944O844K344Ki44Og5qCq5byP5Lya56S-%26txt-width%3D770%26txt-clip%3Dend%252Cellipsis%26txt-color%3D%2523212121%26txt-font%3DHiragino%2520Sans%2520W6%26txt-size%3D36%26txt-x%3D156%26txt-y%3D536%26s%3Df910f5fa86cb074f2f1114d6d03eef47)